The eighth time in her life, Fiona is a hated princess...but she is now the object of a doting love affair! Princess Fiona is married off to Othniel, the crown prince of an enemy kingdom, as a hostage-like concubine. She is falsely accused of being unloved by her husband, poisoned, and loses her life... and ends up in a loop. In her eighth life, she says, "This time, I want to survive...!" Fiona is determined to live her life without expecting love from her husband, but her natural enemy Othniel's love for her is unstoppable...? "I'm supposed to be a decoration queen, but I'm not!" 【嫌われ側妃のはずですが…8度目の人生はまさかの溺愛ルート!?】人質同然の側妃として敵国の王太子・オスニエルに嫁ぐことになった王女・フィオナ。嫁いだ先では夫から愛されずに冤罪を着せられたり、毒を盛られたり…と命を失い、ループを繰り返してしまう。迎えた8度目の人生、「今度こそ生き延びたい――！」 とお飾り側妃らしく夫からの愛は期待せず生きようと決め込むフィオナだったが、天敵・オスニエルからの寵愛が止まらなくて…？ わたし、お飾り側妃のはずですが！8度目の人生は、まさかまさかの溺愛ルート突入!?